let data = {
    nodes: [
        {
            label: "高中地理",
            id: 1
        }, {
            label: "必修1",
            id: 2
        }, {
            label: "必修2",
            id: 3
        }, {
            label: "选必1 自然地理基础",
            id: 4
        }, {
            label: "选必2 区域发展",
            id: 5
        }, {
            label: "选必3 资源、环境与国家安全",
            id: 6
        }
    ],
    edges: [
        {
            source: 1,
            target: 2,
        }, {
            source: 1,
            target: 3,
        }, {
            source: 1,
            target: 4,
        }, {
            source: 1,
            target: 5,
        }, {
            source: 1,
            target: 6
        }
    ]
}
export default data
